Merge pull request #62 from Joschasa/master

Updated german translation
remove forcing font-weight in cdmContentInner and children
optimize loading of external libraries a bit
fix bold text in Unread articles
digest: remove unused dependencies; optimize load a bit
feedBrowser: fix typo in removeFromArchive (closes #603)
harmful tags: enable font
removefromarchive: fix another typo (refs #603)
deprecate manual update button
iframe sandbox: allow scripts
remove deprecated theme_image()